DIN/ISO programming | C-axis contours – fundamentals
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HEIDENHAIN | User's Manual smart.Turn and DIN Programming | 12/2017
Circular pattern with circular slots
For circular slots in circular patterns you program the pattern
positions, the center of curvature, the curvature radius and the
position of the slots.
The control positions the slots as follows:
Slots are arranged at the distance of the pattern radius about
the pattern center if
Pattern center = center of curvature and
Pattern radius = curvature radius
Slots are arranged at the distance of the pattern radius +
curvature radius about the pattern center if
Pattern center <> center of curvature or
Pattern radius <> curvature radius
In addition, the position influences the arrangement of the slots:
Normal position:
The starting angle of the slot applies as a relative value to
the pattern position
The starting angle is added to the pattern position
Original position:
The starting angle of the slot applies as an absolute value
The following examples show the programming of a circular pattern
with circular slots.
Slot centerline as reference and normal position
Programming:
Pattern center = center of curvature
Pattern radius = curvature radius
Normal position
These commands arrange the slots at the distance of the pattern
radius about the pattern center.
Example: Slot centerline as reference, normal position
N.. G402 Q4 K30 A0 XK0 YK0 H0
Circular pattern, normal position
N.. G303 I0 J0 R15 A-20 W20 B3 P1
Circular slot
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